4-chlorochalcone

Also known as: (E)-3-(4-chlorophenyl)-1-phenylprop-2-en-1-one, 3-(4-chlorophenyl)-1-phenyl-2-propen-1-one, 4-CHLOROBENZYLIDENE ACETOPHENONE, 4-chlorobenzalacetophenone, 4-chlorostyrylphenylketone, p-chlorochalcone, p-chlorobenzalacetophenone, MFCD00016345, NSC 2643, NSC 636920

4-chlorochalcone (CAS 956-04-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H11ClO and a molecular weight of 242.70000 g/mol. Key properties include a melting point of 113-117 °C(lit.), a boiling point of 381.9ºC at 760 mmHg and a density of 1.202 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 956-04-7
Jingsj CID: J-3421-9
Molecular Formula: C₁₅H₁₁ClO
Molecular Weight: 242.70000 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	113-117 °C(lit.)
Boiling Point	381.9ºC at 760 mmHg
Density	1.202 g/cm3
Exact Mass	242.05000
PSA	17.07000
LogP	4.23610
Refractive Index	1.632

Customs & Trade Information

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-chlorochalcone?

The CAS number of 4-chlorochalcone is 956-04-7.

What are the molecular formula and molecular weight of 4-chlorochalcone?

4-chlorochalcone has molecular formula C15H11ClO and molecular weight 242.70000 g/mol.

What are the upstream and downstream products of 4-chlorochalcone?

For 4-chlorochalcone, Upstream Products: 4-Chlorobenzaldehyde, Acetophenone, 2-Bromoacetophenone; Downstream Products: (4-Chlorophenyl)acetaldehyde, benzoic acid, Diphenylphosphinic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-chlorochalcone (CAS 956-04-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3421-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.